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It seems that my power button has died on my Galaxy Nexus, which is a huge pain in the strategical locations. While I know how to turn the phone off should it shut down, I have no idea how to handle anything else. I have my friends CALL ME to be able to unlock the phone and use it.
There are some apps on Android Market that specifically state that they fix power buttons, but none of them work with the latest versions of Android according to the reviews (if there's any I've missed, let me know).
I know that the phone can be turned off using a charger, since plugging it in or out makes the screen turn on. But are there other ways to turn on the screen, since it's a phone and I'm mobile most of the time?
Is there another way to remap the keys on Android? Note that I cannot root my phone, so options like that are not good either.
Is there a way to remotely turn on Android phone with a tablet through some app? Since I'm carrying my Nexus 7 with me and it uses my phones internet connection to stay online. I tried to find an app that does this, but could not find any.
Any help is much appreciated! I do not wish to buy Nexus 4 at the moment because it isn't much of an improvement and sending it back to UK for warranty seems like a huge mess that I would rather avoid for now.
Thanks!
kristovaher said:
It seems that my power button has died on my Galaxy Nexus, which is a huge pain in the strategical locations. While I know how to turn the phone off should it shut down, I have no idea how to handle anything else. I have my friends CALL ME to be able to unlock the phone and use it.
There are some apps on Android Market that specifically state that they fix power buttons, but none of them work with the latest versions of Android according to the reviews (if there's any I've missed, let me know).
I know that the phone can be turned off using a charger, since plugging it in or out makes the screen turn on. But are there other ways to turn on the screen, since it's a phone and I'm mobile most of the time?
Is there another way to remap the keys on Android? Note that I cannot root my phone, so options like that are not good either.
Is there a way to remotely turn on Android phone with a tablet through some app? Since I'm carrying my Nexus 7 with me and it uses my phones internet connection to stay online. I tried to find an app that does this, but could not find any.
Any help is much appreciated! I do not wish to buy Nexus 4 at the moment because it isn't much of an improvement and sending it back to UK for warranty seems like a huge mess that I would rather avoid for now.
Thanks!
Click to expand...
Click to collapse
First, try pgm (slide 2 wake).
Secondly, why can't you root the device? Once you have your screen on, you can turn on USB debugging, and use to it reboot to recovery or fastboot.
Third, there's some experience from users that fixed their own device's power button.
Sent from my Nexus
Buy a new power button and put it in.
For Toro & Toroplus:
http://www.etradesupply.com/oem-samsung-galaxy-nexus-sch-i515-power-button-flex-cable-ribbon.html
For everything else:
http://www.parts4repair.com/samsung-galaxy-nexus-i9250-power-flex-cable/
kristovaher said:
It seems that my power button has died on my Galaxy Nexus, which is a huge pain in the strategical locations. While I know how to turn the phone off should it shut down, I have no idea how to handle anything else. I have my friends CALL ME to be able to unlock the phone and use it.
There are some apps on Android Market that specifically state that they fix power buttons, but none of them work with the latest versions of Android according to the reviews (if there's any I've missed, let me know).
I know that the phone can be turned off using a charger, since plugging it in or out makes the screen turn on. But are there other ways to turn on the screen, since it's a phone and I'm mobile most of the time?
Is there another way to remap the keys on Android? Note that I cannot root my phone, so options like that are not good either.
Is there a way to remotely turn on Android phone with a tablet through some app? Since I'm carrying my Nexus 7 with me and it uses my phones internet connection to stay online. I tried to find an app that does this, but could not find any.
Any help is much appreciated! I do not wish to buy Nexus 4 at the moment because it isn't much of an improvement and sending it back to UK for warranty seems like a huge mess that I would rather avoid for now.
Thanks!
Click to expand...
Click to collapse
I had a similar problem with my Samsung Captivate a long time ago. I used WidgetLocker and enabled volume wake function. It uses volume buttons to wake the screen. I'm not sure if this feature is still available, but it's worth a try. If it is not, you can ask for a refund. There are also several apps/widgets to put the phone to sleep. I used this combo for a few months before I got a new phone. Hope this helps :fingers-crossed:
I still haven't found a solution and these apps that say they are a solution, do not work on latest versions of Android. Any other options?
kristovaher said:
I still haven't found a solution and these apps that say they are a solution, do not work on latest versions of Android. Any other options?
Click to expand...
Click to collapse
download intellicover app from play store. does not require root
i think pgm is the solution, but you have to root the phone
I've managed to fix my power button recently, its a hardware problem. Do this only if you dont have warranty and are comfortable with opening up your Nexus.
Go to iFixit website and follow instructions to dissassemble the Nexus, its quite easy, a few screws and flat cable disconnects. Next, you need to remove your power button flex cable from the motherboard, do this by lifting the cable connector on the motherboard up and pulling it gently out.
Next thing is a bit tricky and you need to have pretty good sight and precision.
On the flex cable the button consists of 2 pieces, the flex cable and the button itself, which is like a black sticker sticked on the flex cable.
I've removed the sticker and the button that is glued to it with a scalpel (careful!!) and I've found actually rust and dirt on contacts (dunno how rust got there, i have expected dirt only), and then with my scalpel I've carefully scratched the dirt and rust of both parts of the button and its contacts on the flex cable. After that I've put the black sticker back on the flex as it was before (if it wont glue tape it with a small piece of tape) and return everything where it was and assemble Nexus back togeather. And voila! It works!
Keep in mind that I didn't have warranty so it was either open up and try to repair or toss a $200 device. Also, I'm not responsible for any damage that you do to your phone, this is just a brief description of my power button fix. Hope there will be more successful repairs :fingers-crossed:
I had to use volume_wake, while waiting for replacement power button. But this feature does not present on stock roms.
I believe i've read about remapping the hardware buttons; if you're interested, search google. I personally prefer and use smart screen on. I just wave over the proximity sensor and the screen turns on.
Try procedure described here: http://androidforums.com/samsung-galaxy-nexus/700265-power-button-not-working.html#post5797688.
I was very skeptical, but it indeed worked on my phone. Power button started to act normally again! I was amazed!
Wlld1 said:
I had to use volume_wake, while waiting for replacement power button. But this feature does not present on stock roms.
Click to expand...
Click to collapse
This would be the easiest thing to do if you're already rooted
Sent from my Galaxy Nexus using Tapatalk 2
dj_chapz said:
On the flex cable the button consists of 2 pieces, the flex cable and the button itself, which is like a black sticker sticked on the flex cable.
I've removed the sticker and the button that is glued to it with a scalpel (careful!!) and I've found actually rust and dirt on contacts (dunno how rust got there, i have expected dirt only), and then with my scalpel I've carefully scratched the dirt and rust of both parts of the button and its contacts on the flex cable. After that I've put the black sticker back on the flex as it was before (if it wont glue tape it with a small piece of tape) and return everything where it was and assemble Nexus back togeather. And voila! It works! D
Click to expand...
Click to collapse
Thank you so much for this! Mine just died an hour ago and I have already fixed it in under 20 minutes.
doomed151 said:
Thank you so much for this! Mine just died an hour ago and I have already fixed it in under 20 minutes.
Click to expand...
Click to collapse
Glad to be of help :good:
Solved the same problem with dj_chapz suggestion posted here http://forum.xda-developers.com/showpost.php?p=41282390&postcount=8
After I split in half the button I found oxidized contacts with green and black scurf. Cleaned it with little amount of ethyl - works perfectly!
dj_chapz said:
I've managed to fix my power button recently, its a hardware problem. Do this only if you dont have warranty and are comfortable with opening up your Nexus.
Go to iFixit website and follow instructions to dissassemble the Nexus, its quite easy, a few screws and flat cable disconnects. Next, you need to remove your power button flex cable from the motherboard, do this by lifting the cable connector on the motherboard up and pulling it gently out.
Next thing is a bit tricky and you need to have pretty good sight and precision.
On the flex cable the button consists of 2 pieces, the flex cable and the button itself, which is like a black sticker sticked on the flex cable.
I've removed the sticker and the button that is glued to it with a scalpel (careful!!) and I've found actually rust and dirt on contacts (dunno how rust got there, i have expected dirt only), and then with my scalpel I've carefully scratched the dirt and rust of both parts of the button and its contacts on the flex cable. After that I've put the black sticker back on the flex as it was before (if it wont glue tape it with a small piece of tape) and return everything where it was and assemble Nexus back togeather. And voila! It works!
Keep in mind that I didn't have warranty so it was either open up and try to repair or toss a $200 device. Also, I'm not responsible for any damage that you do to your phone, this is just a brief description of my power button fix. Hope there will be more successful repairs :fingers-crossed:
Click to expand...
Click to collapse
I just did this repair and I have large clumbsy fingers. thank you! I just had to remove corrosion between the button contacts and around. i dabbed nail polish remover (i'm not sure if that is a bad idea or not, but it got my phone working!) and did a little bit of scraping. on my sch-i515 there was a some clear plastic folded over the back sticker part that i had to get up, then i was able to get the black part up without having to fully remove it.
I thought I'd share my experience with this, as I've seen posts in the past relating to a water damaged phone boot looping and I don't think I've seen a proper solution given.
First thing's first, this advice is in relation to a very specific type of boot looping. Nothing to do with rooting, or software bugs. This is boot looping that has come about as a result of water damage. It may not have been long, maybe a couple of seconds in the toilet or some brief rain exposure. Whatever it is, you know your phone has been exposed to some water and it has begun boot looping. There will be no way to get out of it, as the phone boots for 2/3 seconds max before looping all over again. Even when you go into recovery, same thing, automatically boot loops.
Most people, including the official HTC Service Centre, will tell you the motherboard is fried and needs replacement. Whilst it is possible that may be true, it isn't guaranteed. It's an easy way out for HTC, as they can charge you an extortionate price for a new motherboard and not have to bother going through the work of taking the phone apart to find out what is wrong.
The solution may be much simpler - the Power Flex Cable. This is a very small cable that goes along the top of your phone. WHen water damaged, this cable can become damaged, causing a constant boot loop. The reason being it constantly tells the phone the power button is on, causing a constant on/off cycle. In this instance the motherboard is fine and you can get a replacement Flex Cable for less than £5!
There is an easy way to tell whether the Flex Cable is the likely cause of your looping. When the phone is looping, hold down the down volume button only. Don't touch the power button. If your phone still goes into recovery (then loops again) then it is entirely possible your Flex Cable is damaged, not your motherboard.
Next step, order a Flex Cable (they are easy to find). When it arrives, you will need to open your phone (there are guides on YouTube for this), detach the motherboard and replace the Flex Cable. An advance warning, this isn't easy and you have to be extremely careful. One bad move and your phone is history. The motherboard is delicate. If you look around the internet you will find guides which show how the HTC One X is configured. Note that the Flex Cable is behind the motherboard and quite awkward to get off. I would post a couple of links but as a new member I'm not allowed! PM me and I'm happy to share some helpful links though.
You'll know quickly if this has worked. When connecting your phone it will no longer loop. Let it charge for a little while, then power on and hope for the best. If the Flex Cable was the problem your phone will reboot, and you will be able to use it and get your data off.
Note that water damage can have long lasting effects on a mobile phone. Whilst this may solve the problem for a while, it's entirely possible your phone will fail at some point down the line. Prepare for that and make sure you back up accordingly. The above advice may give you a lifeline in getting data off your phone, though, and being able to use it for a little longer. I know that when I was looking around the net I only found this advice by chance, and I think it was on a non-phone related forum. This advice may exist on the forum somewhere but if so it isn't so easy to find. I hope somebody may come across this topic when trying to fix their water damaged phone and find it is the solution.
Good luck!
Same symptoms, but no water damage
Hey man,
Thanks a ton for your post. I have the same issue, as in it won't stop booting at all. However, mine didn't happen because of water damage, but when I tried to do a factory reset (the phone was only on 5% charge so I'm not sure if that screwed it up). Do you think it could still be solved with a flex cable? I tried holding just the volume button down, and it does go into the bootloader so it seems pretty much exactly like what you have described!
Cheers
My only experience with replacing the flex cable comes from water damage, I'm not sure whether a software fault (as this appears to be) could have any effect on the cable itself!
When you get into the bootloader screen, does it just cycle all the way through to fastboot without allowing you to select any other options before rebooting? If so it would suggest your phone thinks the power button is constantly pushed down, which is suggestive of a power flex cable fault.
These cables are very cheap to buy, so if you aren't able to do anything else with the phone it's definitely worth a shot, even if it doesn't work. Just remember that opening the phone voids your warranty, and be careful if you do attempt it, as the insides of the One X are quite delicate. It would be very easy to break something!
de4life said:
My only experience with replacing the flex cable comes from water damage, I'm not sure whether a software fault (as this appears to be) could have any effect on the cable itself!
When you get into the bootloader screen, does it just cycle all the way through to fastboot without allowing you to select any other options before rebooting? If so it would suggest your phone thinks the power button is constantly pushed down, which is suggestive of a power flex cable fault.
These cables are very cheap to buy, so if you aren't able to do anything else with the phone it's definitely worth a shot, even if it doesn't work. Just remember that opening the phone voids your warranty, and be careful if you do attempt it, as the insides of the One X are quite delicate. It would be very easy to break something!
Click to expand...
Click to collapse
I had to replace my power flex cable when I was changing my battery as I accidentally snapped it.
Kahun said:
I had to replace my power flex cable when I was changing my battery as I accidentally snapped it.
Click to expand...
Click to collapse
It's very easy to do, the flex cable is a fragile piece. There are quite a few parts inside the HOX which could easily snap, which is why I always urge a lot of caution when opening the phone up!
de4life said:
I thought I'd share my experience with this, as I've seen posts in the past relating to a water damaged phone boot looping and I don't think I've seen a proper solution given.
First thing's first, this advice is in relation to a very specific type of boot looping. Nothing to do with rooting, or software bugs. This is boot looping that has come about as a result of water damage. It may not have been long, maybe a couple of seconds in the toilet or some brief rain exposure. Whatever it is, you know your phone has been exposed to some water and it has begun boot looping. There will be no way to get out of it, as the phone boots for 2/3 seconds max before looping all over again. Even when you go into recovery, same thing, automatically boot loops.
Most people, including the official HTC Service Centre, will tell you the motherboard is fried and needs replacement. Whilst it is possible that may be true, it isn't guaranteed. It's an easy way out for HTC, as they can charge you an extortionate price for a new motherboard and not have to bother going through the work of taking the phone apart to find out what is wrong.
The solution may be much simpler - the Power Flex Cable. This is a very small cable that goes along the top of your phone. WHen water damaged, this cable can become damaged, causing a constant boot loop. The reason being it constantly tells the phone the power button is on, causing a constant on/off cycle. In this instance the motherboard is fine and you can get a replacement Flex Cable for less than £5!
There is an easy way to tell whether the Flex Cable is the likely cause of your looping. When the phone is looping, hold down the down volume button only. Don't touch the power button. If your phone still goes into recovery (then loops again) then it is entirely possible your Flex Cable is damaged, not your motherboard.
Next step, order a Flex Cable (they are easy to find). When it arrives, you will need to open your phone (there are guides on YouTube for this), detach the motherboard and replace the Flex Cable. An advance warning, this isn't easy and you have to be extremely careful. One bad move and your phone is history. The motherboard is delicate. If you look around the internet you will find guides which show how the HTC One X is configured. Note that the Flex Cable is behind the motherboard and quite awkward to get off. I would post a couple of links but as a new member I'm not allowed! PM me and I'm happy to share some helpful links though.
You'll know quickly if this has worked. When connecting your phone it will no longer loop. Let it charge for a little while, then power on and hope for the best. If the Flex Cable was the problem your phone will reboot, and you will be able to use it and get your data off.
Note that water damage can have long lasting effects on a mobile phone. Whilst this may solve the problem for a while, it's entirely possible your phone will fail at some point down the line. Prepare for that and make sure you back up accordingly. The above advice may give you a lifeline in getting data off your phone, though, and being able to use it for a little longer. I know that when I was looking around the net I only found this advice by chance, and I think it was on a non-phone related forum. This advice may exist on the forum somewhere but if so it isn't so easy to find. I hope somebody may come across this topic when trying to fix their water damaged phone and find it is the solution.
Good luck!
Click to expand...
Click to collapse
Thanks. I've already taken the back off and noticed some broken bits of plastic...from the back....but I did notice a bit of ribbon that looked a bit screwed up....I'm gonna take it to the gizmo wizard to fix once I buy a new power flex cable.
Good luck!
Another thing to try
de4life said:
Good luck!
Click to expand...
Click to collapse
Old thread I know but thought it was worth adding that with a water damaged phone the issues can result from the fact that tap water contains minerals which can leave a conductive residue when it dries - can change resistances, cause shorts etc. What I've done previously is used isopropyl alcohol (tape head cleaning fluid) with a toothbrush on the motherboard. Brought a phone back to life. This removes the mineral deposits and cleans everything. Had to remove the metal covers from the mobo first though. If a phone is basically dead or not working right after water damage then it's worth a go. As de4life says, just need to be super careful on the HOX with all the delicate ribbon cables.
Indeed, the phone should be thoroughly clensed if possible to wipe out any corrosive liquids left behind from the water (especially if it's dropped in an ocean). The effects of corrosion can be very slow and potentially last for months.
M8 please reply to this all the flex cables that I found are 40$+ can you give me a link for one as you stated that would cost 5 pounds
It worked
It worked! I replaced the power flex cable with a spare one on my HTC One X, previously damaged by being sucked by my one year old son - water damage.! It worked!
Many thanks to you man!
IamNewBee said:
Many thanks to you man!
Click to expand...
Click to collapse
Wondering if this is the right cable?
http://www.ebay.com/itm/New-Power-O...972183?hash=item27d4be6597:g:n6AAAOSw9GhYbb-y
Thanks!
Thank you!
de4life said:
I thought I'd share my experience with this, as I've seen posts in the past relating to a water damaged phone boot looping and I don't think I've seen a proper solution given.
First thing's first, this advice is in relation to a very specific type of boot looping. Nothing to do with rooting, or software bugs. This is boot looping that has come about as a result of water damage. It may not have been long, maybe a couple of seconds in the toilet or some brief rain exposure. Whatever it is, you know your phone has been exposed to some water and it has begun boot looping. There will be no way to get out of it, as the phone boots for 2/3 seconds max before looping all over again. Even when you go into recovery, same thing, automatically boot loops.
Most people, including the official HTC Service Centre, will tell you the motherboard is fried and needs replacement. Whilst it is possible that may be true, it isn't guaranteed. It's an easy way out for HTC, as they can charge you an extortionate price for a new motherboard and not have to bother going through the work of taking the phone apart to find out what is wrong.
The solution may be much simpler - the Power Flex Cable. This is a very small cable that goes along the top of your phone. WHen water damaged, this cable can become damaged, causing a constant boot loop. The reason being it constantly tells the phone the power button is on, causing a constant on/off cycle. In this instance the motherboard is fine and you can get a replacement Flex Cable for less than £5!
There is an easy way to tell whether the Flex Cable is the likely cause of your looping. When the phone is looping, hold down the down volume button only. Don't touch the power button. If your phone still goes into recovery (then loops again) then it is entirely possible your Flex Cable is damaged, not your motherboard.
Next step, order a Flex Cable (they are easy to find). When it arrives, you will need to open your phone (there are guides on YouTube for this), detach the motherboard and replace the Flex Cable. An advance warning, this isn't easy and you have to be extremely careful. One bad move and your phone is history. The motherboard is delicate. If you look around the internet you will find guides which show how the HTC One X is configured. Note that the Flex Cable is behind the motherboard and quite awkward to get off. I would post a couple of links but as a new member I'm not allowed! PM me and I'm happy to share some helpful links though.
You'll know quickly if this has worked. When connecting your phone it will no longer loop. Let it charge for a little while, then power on and hope for the best. If the Flex Cable was the problem your phone will reboot, and you will be able to use it and get your data off.
Note that water damage can have long lasting effects on a mobile phone. Whilst this may solve the problem for a while, it's entirely possible your phone will fail at some point down the line. Prepare for that and make sure you back up accordingly. The above advice may give you a lifeline in getting data off your phone, though, and being able to use it for a little longer. I know that when I was looking around the net I only found this advice by chance, and I think it was on a non-phone related forum. This advice may exist on the forum somewhere but if so it isn't so easy to find. I hope somebody may come across this topic when trying to fix their water damaged phone and find it is the solution.
Good luck!
Click to expand...
Click to collapse
Thank you very much for typing this out! My Google Pixel OG (2016), which was made by HTC, experienced the exact same problem. I have just fixed it by replacing the power flex cable like you suggested.
lazinase said:
Thank you very much for typing this out! My Google Pixel OG (2016), which was made by HTC, experienced the exact same problem. I have just fixed it by replacing the power flex cable like you suggested.
Click to expand...
Click to collapse
I was surprised to get a notification for this old thread! I'm glad this worked for you. I had no idea HTC used the same design for the original Pixel.
**Just to be clear, I am not responsible for anything that goes wrong with your device but actually, your phone is pretty much useless with this issue if it isn't fixed so lets just give it a shot like I did**
So I bet a couple of you guys may heard of this issue, I'll be giving the link on what this issue is about (if i can find the link).
Do note that this fix will result in damaging the exterior of your phone if you don't do this carefully. Lastly before we begin, you'll lose a power button completely and switching it on requires your phone Charger and a few button combinations
Now in order to fix this, you'll need
• A plus-tipped screwdriver
• A flat head screwdriver (bigger ones are prefered)
• Your "unusable" Galaxy W
• A whole lot of patience
1st step is easy, just disassemble your phone till you have removed the Main Board. There is a guide you can follow to do this on YouTube by the Channel L355ON5 if im not mistaken
2ndly, when you get to the main board, flip over your board such that the main camera module is faced down.
3rdly, you're gonna find your power switch. When you found it, you can see that it is made of 2 colours orange and white.
4th, heres the tricky part, use your flathead screwdriver and apply pressure and scrape off the white part of the switch COMPLETELY. Its okay if you damaged your power switch because you won't need it anyways.
To check if your phone is fixed, you can clip the Display's flex cable into the main board, and then use your battery and connect it to the 3 pin contacts. If your phone did not boot, thats good news because from Keith's post (if you can find it) we know that if you try to insert the battery in the phone, it will automatically switch on by itself and that means that you haven't fix the issue nor solve anything really.
So lets say everything went correctly as mentioned above, you can now screw the parts back together.
So to turn your phone ON, connect your Phone to youe wall plug and then quickly press the button combination keys for going to Recovery Mode upon switching on you your wall plug switch. You shld then be able to go to Recovery Mode and reboot your device
Now all of this may sound scary to you but I've done all of these steps and I got my Wonder back exactly a year after I broke it. :sly:
Galaxy W 8150 Disassembly & Assembly: http://youtu.be/ZjcucJDzfmk
How to Easily Fix Defective Power Switch/Button for the Galaxy S3: http://youtu.be/3Glllc7bEJs
These 2 videos are where you should be watching before trying in case gd luck
Hello comunity
I bought one nexus 2013 wifi... (Second hand) and I am planning to mount it in my car...
well ... i just started preparing the software ...rooting, unlock bootloader and so on ...
then accidently I dropped it on the floor :/
After this the screen is black. It is OK - it is not brocken but is not working at all...
The computer recognizes the Nexus (I can see it from Device menagment in my computer).
Then I opened the Nexus..
Reconnected the battery... and trying to hold the power button for 60 sec...
again nothing worked and the screen is still dead.
Is it possible this to be a problem?
https://goo.gl/photos/k4EYBvWvQynab3v16
seem it is not OK... (There is a black line on the cable ... may be it is a missing part >)
If i buy one of this cables and change it may be the problem would be fixed??
Tnx and Happy new year
Voklav said:
Hello comunity
I bought one nexus 2013 wifi... (Second hand) and I am planning to mount it in my car...
well ... i just started preparing the software ...rooting, unlock bootloader and so on ...
then accidently I dropped it on the floor :/
After this the screen is black. It is OK - it is not brocken but is not working at all...
The computer recognizes the Nexus (I can see it from Device menagment in my computer).
Then I opened the Nexus..
Reconnected the battery... and trying to hold the power button for 60 sec...
again nothing worked and the screen is still dead.
Is it possible this to be a problem?
https://goo.gl/photos/k4EYBvWvQynab3v16
seem it is not OK... (There is a black line on the cable ... may be it is a missing part >)
If i buy one of this cables and change it may be the problem would be fixed??
Tnx and Happy new year
Click to expand...
Click to collapse
Yes, that part has been stripped. Can't tell if that causes the problem, but I'm almost certain it was not caused by the drop since that part was locked inside the connector, unless it had already fallen out when you opened the thing. Where you ripped it when removing, you might want to look inside the connector to make sure the loose bit doesn't remain in there as it could short. I take it you're not in the US. Otherwise, I could mail you an extra cable I have. Good luck with your repair.
Disconnecting the cable caused your issue for sure, be careful before you tinker with devices.
This cable is OK unless you damaged it during disassembly. The most likely failure is the screen. Have a look at it with a lamp at an angle to check for any cracks.
Did you earlier manage to install TWRP? If so boot to recovery and check with ADB file system access.
Well..
Tnx to all of you.
The tablet is working again.
The problem was this cable.
I ordered a new one.
I really couldnt undartand how just one drop can be the reason for damaging the cable.
Smiles
1. Open phone (watch disassembly vids online)
2. Unscrew top panel screws (except mi warranty sticker one, if you want to keep warranty)
3. Disconnect battery connector
4. Wait 20 secs
5. Keep power button pressed for 1 minute
6. Wait for 1 minute
7. Keep power button pressed and connect battery connector, then release power button after like 2-3 secs
8. Phone should be starting up (connect charger as battery may be low)
DO NOT EVER REBOOT OR SHUTDOWN THE PHONE OR YOU WILL GET THIS ISSUE!!
Note: There is a more permanent fix where you desolder some metal lids which cover the charging/logic ICs, but this guide is for those of us who can't/ can't afford to get that done.
(i made this account just for this)
thank you soo much , this worked multiple times for me , however would you mind telling me the steps for the "more permanent fix" , i have a friend at a repair center and if u tell me the steps i may be able to fix it
PhotonIce said:
1. Open phone (watch disassembly vids online)
2. Unscrew top panel screws (except mi warranty sticker one, if you want to keep warranty)
3. Disconnect battery connector
4. Wait 20 secs
5. Keep power button pressed for 1 minute
6. Wait for 1 minute
7. Keep power button pressed and connect battery connector, then release power button after like 2-3 secs
8. Phone should be starting up (connect charger as battery may be low)
DO NOT EVER REBOOT OR SHUTDOWN THE PHONE OR YOU WILL GET THIS ISSUE!!
Note: There is a more permanent fix where you desolder some metal lids which cover the charging/logic ICs, but this guide is for those of us who can't/ can't afford to get that done.
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i never reeboted the phone again (but when i go out on a hot day with my phone in my pocket , when i reach home it will be off , so i have to do this temporary fix again and again )
HI @zeon_ , the more permanent fix was something I saw in some yt vids online, you could probably find it easily there, I'll also link some at the end of this reply.
I wanted to mention that the fix I mentioned in my post worked for me about 3-4 times before my phone shut off and wouldnt turn on even with this fix, I ended up having to get it repaired, but it wasn't very expensive and it works perfectly fine now.
Just wanted to give you a heads up because this fix didn't work forever for me as I'd hoped it would.
I'm sure that if you have a friend at a repair centre he would be able to figure out what to do, but here are some videos anyways. Most of them target a small metal lid on the bottom left of the motherboard, some say to remove it completely while others say to only remove the two larger caps under it, then reinstall it. They all claim that the metal lid is somehow shorting with the power circuitry underneath, resulting in the deadboot issue. Some also recommened replacing the power ic which I believe is in the larger shielding with the hole in the top to its right (seen in 3rd video). You might also be able to find longer length videos online.
Again, I don't know how reliable these are, proceed at your own risk. I would recommend just handing your phone over to a recommended repairer in your area after backing up and removing your data from your phone.
PhotonIce said:
HI @zeon_ , the more permanent fix was something I saw in some yt vids online, you could probably find it easily there, I'll also link some at the end of this reply.
I wanted to mention that the fix I mentioned in my post worked for me about 3-4 times before my phone shut off and wouldnt turn on even with this fix, I ended up having to get it repaired, but it wasn't very expensive and it works perfectly fine now.
Just wanted to give you a heads up because this fix didn't work forever for me as I'd hoped it would.
I'm sure that if you have a friend at a repair centre he would be able to figure out what to do, but here are some videos anyways. Most of them target a small metal lid on the bottom left of the motherboard, some say to remove it completely while others say to only remove the two larger caps under it, then reinstall it. They all claim that the metal lid is somehow shorting with the power circuitry underneath, resulting in the deadboot issue. Some also recommened replacing the power ic which I believe is in the larger shielding with the hole in the top to its right (seen in 3rd video). You might also be able to find longer length videos online.
Again, I don't know how reliable these are, proceed at your own risk. I would recommend just handing your phone over to a recommended repairer in your area after backing up and removing your data from your phone.
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thank you very much